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Groups > comp.lang.javascript > #34368
| Newsgroups | comp.lang.javascript |
|---|---|
| Subject | Re: get average height in an object |
| From | "Evertjan." <exxjxw.hannivoort@inter.nl.net> |
| References | (2 earlier) <ou9q0i$1a7k$1@gioia.aioe.org> <ouhllb$oi1$1@gioia.aioe.org> <XnsA82EE37626AD1eejj99@194.109.6.166> <XnsA82EE996CA769eejj99@194.109.6.166> <ouj56o$rli$1@gioia.aioe.org> |
| Date | 2017-11-17 13:06 +0100 |
| Message-ID | <XnsA830854DAFD45eejj99@194.109.6.166> (permalink) |
Joao Rodrigues <groups_jr-1@yahoo.com> wrote on 16 Nov 2017 in
comp.lang.javascript:
> Evertjan wrote:
>> [..]
>
> My mistake! Thanks for spotting the errors!
> [..]
Just playing with the concept by
not using the accumulator and not declaring the array:
const data = {
"Matt" : { "height" : 174, "weight": 69 },
"Jason" : { "height" : 190, "weight": 103 },
"John" : { "height" : 80, "weight": 83 }
};
let res = {'avheight':0,'avweight':0};
Object.values(data).reduce(
(x, v, n) => {
res.avheight = (res.avheight*n + v.height)/(n+1);
res.avweight = (res.avweight*n + v.weight)/(n+1);
// console.log('step number:', n);
// console.log('intermediate average height:', res.avheight);
// console.log('intermediate average weight:', res.avweight);
}, 0);
console.log('final average height:',res.avheight);
console.log('final average weight:',res.avweight);
--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)
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get average height in an object JRough <janis.rough@gmail.com> - 2017-11-11 14:57 -0800
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-12 06:04 -0200
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-12 06:49 -0200
Re: get average height in an object John G Harris <niam@jghnorth.org.uk.invalid> - 2017-11-12 13:39 +0000
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-12 13:40 -0200
Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:06 -0800
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-15 13:14 -0200
Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-15 22:21 +0100
Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-15 22:57 +0100
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-16 02:46 -0200
Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-17 13:06 +0100
Re: get average height in an object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-12 18:24 +0100
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-13 00:26 -0200
Re: get average height in an object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-13 03:42 +0100
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-13 01:23 -0200
Re: get average height in an object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-13 14:16 +0100
Re: get average height in an object Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2017-11-13 14:20 -0300
Dictionary-like objects (was: get average height in an object) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-13 19:56 +0100
Re: Dictionary-like objects Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2017-11-13 20:26 -0200
Re: Dictionary-like objects Julio Di Egidio <julio@diegidio.name> - 2017-11-13 15:48 -0800
Re: Dictionary-like objects Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-11-15 02:55 +0100
Re: Dictionary-like objects Joao Rodrigues <groups_jr-1@yahoo.com> - 2017-11-15 12:30 -0200
Re: Dictionary-like objects John G Harris <niam@jghnorth.org.uk.invalid> - 2017-11-15 15:59 +0000
Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:08 -0800
Re: get average height in an object John G Harris <niam@jghnorth.org.uk.invalid> - 2017-11-13 10:17 +0000
Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:07 -0800
Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-12 11:00 +0100
Re: get average height in an object "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-11-12 11:15 +0100
Re: get average height in an object JRough <janis.rough@gmail.com> - 2017-11-13 12:28 -0800
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